A dog's sense of smell is estimated to be up to 100,000 times more sensitive than a human's.

Some birds cache food for later consumption.

Fact #461 · Animals

Some insects can lift many times their body weight.

Fact #213 · Animals

The mantis shrimp has some of the most complex eyes in the animal kingdom.

Fact #442 · Animals

Some birds can fly for months without landing.

Fact #164 · Animals

Some birds migrate thousands of miles each year.

Fact #77 · Animals

Certain fish change sex during their lifetime.

Fact #503 · Animals

Penguins can drink salt water because of specialized glands.

Fact #362 · Animals

Some species of spiders can survive underwater for short periods.

Fact #414 · Animals